Drop the driver's udev field in favor of struct drm_device.dev. No
functional changes made.
v2:
* upcast dev with drm_dev_get_usb_device()
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/tiny/gm12u320.c | 52 +++++++++++++++------------------
1 file changed, 24 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c
index cc397671f689..414f08c0bab9 100644
--- a/drivers/gpu/drm/tiny/gm12u320.c
+++ b/drivers/gpu/drm/tiny/gm12u320.c
@@ -23,6 +23,7 @@
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_usb_helper.h>
static bool eco_mode;
module_param(eco_mode, bool, 0644);
@@ -45,7 +46,7 @@ MODULE_PARM_DESC(eco_mode, "Turn on Eco mode (less bright, more silent)");
#define GM12U320_BLOCK_COUNT 20
#define GM12U320_ERR(fmt, ...) \
- DRM_DEV_ERROR(&gm12u320->udev->dev, fmt, ##__VA_ARGS__)
+ DRM_DEV_ERROR(gm12u320->dev.dev, fmt, ##__VA_ARGS__)
#define MISC_RCV_EPT 1
#define DATA_RCV_EPT 2
@@ -85,7 +86,6 @@ struct gm12u320_device {
struct drm_device dev;
struct drm_simple_display_pipe pipe;
struct drm_connector conn;
- struct usb_device *udev;
unsigned char *cmd_buf;
unsigned char *data_buf[GM12U320_BLOCK_COUNT];
struct {
@@ -191,6 +191,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320,
u8 req_a, u8 req_b,
u8 arg_a, u8 arg_b, u8 arg_c, u8 arg_d)
{
+ struct usb_device *udev = drm_dev_get_usb_device(&gm12u320->dev);
int ret, len;
memcpy(gm12u320->cmd_buf, &cmd_misc, CMD_SIZE);
@@ -202,8 +203,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320,
gm12u320->cmd_buf[25] = arg_d;
/* Send request */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, MISC_SND_EPT),
+ ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, MISC_SND_EPT),
gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT);
if (ret || len != CMD_SIZE) {
GM12U320_ERR("Misc. req. error %d\n", ret);
@@ -211,8 +211,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320,
}
/* Read value */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_rcvbulkpipe(gm12u320->udev, MISC_RCV_EPT),
+ ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, MISC_RCV_EPT),
gm12u320->cmd_buf, MISC_VALUE_SIZE, &len,
DATA_TIMEOUT);
if (ret || len != MISC_VALUE_SIZE) {
@@ -222,8 +221,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320,
/* cmd_buf[0] now contains the read value, which we don't use */
/* Read status */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_rcvbulkpipe(gm12u320->udev, MISC_RCV_EPT),
+ ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, MISC_RCV_EPT),
gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
CMD_TIMEOUT);
if (ret || len != READ_STATUS_SIZE) {
@@ -331,6 +329,7 @@ static void gm12u320_fb_update_work(struct work_struct *work)
struct gm12u320_device *gm12u320 =
container_of(to_delayed_work(work), struct gm12u320_device,
fb_update.work);
+ struct usb_device *udev = drm_dev_get_usb_device(&gm12u320->dev);
int block, block_size, len;
int ret = 0;
@@ -350,43 +349,41 @@ static void gm12u320_fb_update_work(struct work_struct *work)
gm12u320->cmd_buf[21] =
block | (gm12u320->fb_update.frame << 7);
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->cmd_buf, CMD_SIZE, &len,
- CMD_TIMEOUT);
+ ret = usb_bulk_msg(udev,
+ usb_sndbulkpipe(udev, DATA_SND_EPT),
+ gm12u320->cmd_buf, CMD_SIZE, &len,
+ CMD_TIMEOUT);
if (ret || len != CMD_SIZE)
goto err;
/* Send data block to device */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->data_buf[block], block_size,
- &len, DATA_TIMEOUT);
+ ret = usb_bulk_msg(udev,
+ usb_sndbulkpipe(udev, DATA_SND_EPT),
+ gm12u320->data_buf[block], block_size,
+ &len, DATA_TIMEOUT);
if (ret || len != block_size)
goto err;
/* Read status */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
- gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
- CMD_TIMEOUT);
+ ret = usb_bulk_msg(udev,
+ usb_rcvbulkpipe(udev, DATA_RCV_EPT),
+ gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
+ CMD_TIMEOUT);
if (ret || len != READ_STATUS_SIZE)
goto err;
}
/* Send draw command to device */
memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE);
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT);
+ ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, DATA_SND_EPT),
+ gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT);
if (ret || len != CMD_SIZE)
goto err;
/* Read status */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
- gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
- gm12u320->fb_update.draw_status_timeout);
+ ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, DATA_RCV_EPT),
+ gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
+ gm12u320->fb_update.draw_status_timeout);
if (ret || len != READ_STATUS_SIZE)
goto err;
@@ -638,7 +635,6 @@ static int gm12u320_usb_probe(struct usb_interface *interface,
if (IS_ERR(gm12u320))
return PTR_ERR(gm12u320);
- gm12u320->udev = interface_to_usbdev(interface);
INIT_DELAYED_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work);
mutex_init(&gm12u320->fb_update.lock);
--
2.29.0
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